Home / 10,927.94-15,080.53-6,147.89

Finding the Fourth Proportional to 10,927.94, 15,080.53 and 6,147.89

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Solution

The fourth proportional to 10,927.94, 15,080.53 and 6,147.89 is: 8,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.94 : 15,080.53 = 6,147.89 : x
  2. Step 2: Convert to fraction form
    10,927.94/15,080.53 = 6,147.89/x
  3. Step 3: Cross multiply
    10,927.94x = 15,080.53 × 6,147.89
  4. Step 4: Simplify right side
    10,927.94x = 92,713,348.81
  5. Step 5: Solve for x
    x = 92,713,348.81/10,927.94
  6. Step 6: Final answer
    x = 8,484.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.